Microstructural evolution during creep of a new modified 9% Cr-steel with Boron and Cobalt

Paul Nowakowski, Manfred Brabetz, K. Spiradek-Hahn, Günter Zeiler

    Publikation: Beitrag in Buch oder TagungsbandVortrag mit Beitrag in TagungsbandBegutachtung

    Abstract

    Conclusions: The improved creep properties of the new 9%Cr-steel with boron and cobalt are due to the high microstructural stability that is based on .) strong retardation of coarsening of M23C6 (due to boron) .) solid solution strengthening by Mo and Co .) preserving high dislocation density of the material in the range of minimum creep rate resulting from Mo and Co and an additional precipitation of M23C6 during creep exposure .) stabilisation of the subgrain structure by M23C6 which limit the mean free path of dislocation movement during creep deformation and delay the recovery processes
    OriginalspracheEnglisch
    TitelXvth. Phys. Metall and Mater. Sci. Conf. - Advanced Materials and Technologies
    Seiten225
    Seitenumfang1
    PublikationsstatusVeröffentlicht - 1998
    VeranstaltungXvth. Phys. Metall and Mater. Sci. Conf. - Advanced Materials and Technologies -
    Dauer: 1 Jan. 1998 → …

    Konferenz

    KonferenzXvth. Phys. Metall and Mater. Sci. Conf. - Advanced Materials and Technologies
    Zeitraum1/01/98 → …

    Research Field

    • Nicht definiert

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